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4 years ago

Write the expression -3x2 + 2y2 + 5xy - 2y + 5x2-3y2 in simplest form. Then, answer the following questions using

Mathematics

1 answer:

dedylja [7]4 years ago

5 0

Answer: 2x^2-y^2+5xy-2y

a. There is four terms in the simplified expression.

b. Two terms in the simplified expression are negative.

Step-by-step explanation:

Write the expression like an addition/ subtraction problem.

-3x²+2y²+5xy-2y

+5x²-3y²

_________

This makes it easier to identify what to combine for like terms.

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Factor j²-13j+42 The Factored Expression =

Ymorist [56]

Answer:

(j - 7)(j - 6)

Step-by-step explanation:

${j}^{2} - 13j + 42 \\ = {j}^{2} - 7j - 6j + 42 \\ = j(j - 7) - 6(j - 7) \\ = (j - 7)(j - 6) \\ are \: required \: factors$

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3 years ago

Read 2 more answers

Determine whether the given triangles are similar. Justify your answer. If they are similar write a similarity statement. How do

zimovet [89]

8/6 = 12/9

8/6 x 9/9 = 72/54
12/9 x 6/6 = 72/54

72/54 = 72/54

They are similar.

Triangle ABC is similar to triangle PQR

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4 years ago

40% of the cars in a package lot were american made cars. if there are 60 american made cars in the parking lot, how many cars a

dlinn [17]

Why were the Jews victims of genocide during World War II?
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3 years ago

Graph of y= -2x2 -8x-1. What is the range of this function

Alekssandra [29.7K]

Answer:

Okay, here is the graph

Step-by-step explanation:

Direction: Opens down

Vertex: (-2, 7)

Focus: (-2, 55/8)

Axis of Semmetry: x = -2

Directrix: y = 57/8

Brainliest Please!!!! Happy Holidays and Good Luck!!!

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3 years ago

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Bingel [31]

Answer:

$9^{7}$

Step-by-step explanation:

$9^{7}$ because there is 9 sevens so the seven would be to the power.

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3 years ago